Part D?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Part D?
Transcribed Image Text:Given a normal distribution with μ = 100 and o= 10, complete parts (a) through (d).
Click here to view page 1 of the cumulative standardized normal distribution table.
Click here to view page 2 of the cumulative standardized normal distribution table.
a. What is the probability that X> 80?
The probability that X > 80 is 0.9772.
(Round to four decimal places as needed.)
b. What is the probability that X<90?
The probability that X <90 is .1587.
(Round to four decimal places as needed.)
c. What is the probability that X<85 or X>105?
The probability that X < 85 or X> 105 is 0.3753
(Round to four decimal places as needed.)
d. 90% of the values are between what two X-values (symmetrically distributed around the mean)?
90% of the values are greater than a and less than
(Round to two decimal places as needed.).
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